40523484672 has 180 divisors, whose sum is σ = 128553985560. Its totient is φ = 12279674880.

The previous prime is 40523484653. The next prime is 40523484709. The reversal of 40523484672 is 27648432504.

It is a happy number.

40523484672 is a `hidden beast` number, since 40 + 523 + 4 + 84 + 6 + 7 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 521229 + ... + 593907.

Almost surely, 2^40523484672 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 40523484672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64276992780).

40523484672 is an abundant number, since it is smaller than the sum of its proper divisors (88030500888).

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

40523484672 is a wasteful number, since it uses less digits than its factorization.

40523484672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72725 (or 72695 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 45.

The spelling of 40523484672 in words is "forty billion, five hundred twenty-three million, four hundred eighty-four thousand, six hundred seventy-two".