40004358620 has 24 divisors (see below), whose sum is σ = 87661725984. Its totient is φ = 15306015296.

The previous prime is 40004358617. The next prime is 40004358679. The reversal of 40004358620 is 2685340004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43482539 + ... + 43483458.

It is an arithmetic number, because the mean of its divisors is an integer number (3652571916).

Almost surely, 2^40004358620 is an apocalyptic number.

It is an amenable number.

40004358620 is an abundant number, since it is smaller than the sum of its proper divisors (47657367364).

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

40004358620 is a wasteful number, since it uses less digits than its factorization.

40004358620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86966029 (or 86966027 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 40004358620 its reverse (2685340004), we get a palindrome (42689698624).

The spelling of 40004358620 in words is "forty billion, four million, three hundred fifty-eight thousand, six hundred twenty".