40521907020 has 48 divisors (see below), whose sum is σ = 129670103808. Its totient is φ = 9262150080.

The previous prime is 40521907003. The next prime is 40521907067. The reversal of 40521907020 is 2070912504.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48239946 + ... + 48240785.

It is an arithmetic number, because the mean of its divisors is an integer number (2701460496).

Almost surely, 2^40521907020 is an apocalyptic number.

It is an amenable number.

40521907020 is an abundant number, since it is smaller than the sum of its proper divisors (89148196788).

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

40521907020 is a wasteful number, since it uses less digits than its factorization.

40521907020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96480750 (or 96480748 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The spelling of 40521907020 in words is "forty billion, five hundred twenty-one million, nine hundred seven thousand, twenty".