545234457047040 has 832 divisors, whose sum is σ = 2030771475025920. Its totient is φ = 138605289799680.

The previous prime is 545234457046997. The next prime is 545234457047051. The reversal of 545234457047040 is 40740754432545.

545234457047040 is a `hidden beast` number, since 5 + 4 + 5 + 23 + 4 + 4 + 570 + 4 + 7 + 0 + 40 = 666.

It is a super-2 number, since 2×545234457047040² (a number of 30 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1148260552 + ... + 1148735288.

Almost surely, 2^{545234457047040} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545234457047040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1015385737512960).

545234457047040 is an abundant number, since it is smaller than the sum of its proper divisors (1485537017978880).

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

545234457047040 is a wasteful number, since it uses less digits than its factorization.

545234457047040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474873 (or 474845 counting only the distinct ones).

The product of its (nonzero) digits is 37632000, while the sum is 54.

The spelling of 545234457047040 in words is "five hundred forty-five trillion, two hundred thirty-four billion, four hundred fifty-seven million, forty-seven thousand, forty".