40621525457076 has 36 divisors (see below), whose sum is σ = 102685965380544. Its totient is φ = 13540010547600.

The previous prime is 40621525457053. The next prime is 40621525457077. The reversal of 40621525457076 is 67075452512604.

40621525457076 is a `hidden beast` number, since 4 + 0 + 6 + 2 + 1 + 525 + 45 + 7 + 0 + 76 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40621525457077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19754220 + ... + 21713411.

Almost surely, 2^{40621525457076} is an apocalyptic number.

It is an amenable number.

40621525457076 is an abundant number, since it is smaller than the sum of its proper divisors (62064439923468).

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

40621525457076 is a wasteful number, since it uses less digits than its factorization.

40621525457076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41494852 (or 41494847 counting only the distinct ones).

The product of its (nonzero) digits is 14112000, while the sum is 54.

The spelling of 40621525457076 in words is "forty trillion, six hundred twenty-one billion, five hundred twenty-five million, four hundred fifty-seven thousand, seventy-six".