545835236490 has 256 divisors, whose sum is σ = 1504750141440. Its totient is φ = 140724760320.

The previous prime is 545835236483. The next prime is 545835236497. The reversal of 545835236490 is 94632538545.

It is a happy number.

545835236490 is a `hidden beast` number, since 5 + 4 + 58 + 3 + 523 + 64 + 9 + 0 = 666.

545835236490 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (545835236483) and next prime (545835236497).

It is a super-3 number, since 3×545835236490³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (545835236497) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 383579919 + ... + 383581341.

It is an arithmetic number, because the mean of its divisors is an integer number (5877930240).

Almost surely, 2^545835236490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545835236490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (752375070720).

545835236490 is an abundant number, since it is smaller than the sum of its proper divisors (958914904950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

545835236490 is a wasteful number, since it uses less digits than its factorization.

545835236490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1834 (or 1828 counting only the distinct ones).

The product of its (nonzero) digits is 15552000, while the sum is 54.

The spelling of 545835236490 in words is "five hundred forty-five billion, eight hundred thirty-five million, two hundred thirty-six thousand, four hundred ninety".