40453525404 has 72 divisors (see below), whose sum is σ = 107696883840. Its totient is φ = 12767987232.

The previous prime is 40453525403. The next prime is 40453525439. The reversal of 40453525404 is 40452535404.

40453525404 is a `hidden beast` number, since 40 + 4 + 53 + 525 + 40 + 4 = 666.

It is a super-2 number, since 2×40453525404² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40453525403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1355289 + ... + 1384815.

Almost surely, 2^40453525404 is an apocalyptic number.

It is an amenable number.

40453525404 is an abundant number, since it is smaller than the sum of its proper divisors (67243358436).

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

40453525404 is a wasteful number, since it uses less digits than its factorization.

40453525404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31559 (or 31554 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 36.

The spelling of 40453525404 in words is "forty billion, four hundred fifty-three million, five hundred twenty-five thousand, four hundred four".