40520350590 has 64 divisors (see below), whose sum is σ = 98346353472. Its totient is φ = 10683776000.

The previous prime is 40520350567. The next prime is 40520350597. The reversal of 40520350590 is 9505302504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40520350597) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2297044 + ... + 2314616.

It is an arithmetic number, because the mean of its divisors is an integer number (1536661773).

Almost surely, 2^40520350590 is an apocalyptic number.

40520350590 is an abundant number, since it is smaller than the sum of its proper divisors (57826002882).

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

40520350590 is a wasteful number, since it uses less digits than its factorization.

40520350590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18445.

The product of its (nonzero) digits is 27000, while the sum is 33.

The spelling of 40520350590 in words is "forty billion, five hundred twenty million, three hundred fifty thousand, five hundred ninety".