545604811940 has 24 divisors (see below), whose sum is σ = 1170148194432. Its totient is φ = 213598479200.

The previous prime is 545604811937. The next prime is 545604811943. The reversal of 545604811940 is 49118406545.

It is an interprime number because it is at equal distance from previous prime (545604811937) and next prime (545604811943).

It is a super-2 number, since 2×545604811940² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is not an unprimeable number, because it can be changed into a prime (545604811943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290214386 + ... + 290216265.

It is an arithmetic number, because the mean of its divisors is an integer number (48756174768).

Almost surely, 2^545604811940 is an apocalyptic number.

It is an amenable number.

545604811940 is an abundant number, since it is smaller than the sum of its proper divisors (624543382492).

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

545604811940 is a wasteful number, since it uses less digits than its factorization.

545604811940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580430707 (or 580430705 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 47.

The spelling of 545604811940 in words is "five hundred forty-five billion, six hundred four million, eight hundred eleven thousand, nine hundred forty".