40525789479480 has 96 divisors (see below), whose sum is σ = 132547725648000. Its totient is φ = 10738043566848.

The previous prime is 40525789479451. The next prime is 40525789479481. The reversal of 40525789479480 is 8497498752504.

It is a happy number.

40525789479480 is a `hidden beast` number, since 4 + 0 + 5 + 2 + 5 + 78 + 9 + 4 + 79 + 480 = 666.

It is a super-2 number, since 2×40525789479480² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 40525789479399 and 40525789479408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40525789479481) 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, 358451880 + ... + 358564919.

It is an arithmetic number, because the mean of its divisors is an integer number (1380705475500).

Almost surely, 2^{40525789479480} is an apocalyptic number.

40525789479480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40525789479480 is an abundant number, since it is smaller than the sum of its proper divisors (92021936168520).

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

40525789479480 is a wasteful number, since it uses less digits than its factorization.

40525789479480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717016973 (or 717016966 counting only the distinct ones).

The product of its (nonzero) digits is 812851200, while the sum is 72.

The spelling of 40525789479480 in words is "forty trillion, five hundred twenty-five billion, seven hundred eighty-nine million, four hundred seventy-nine thousand, four hundred eighty".