40620431104 has 36 divisors (see below), whose sum is σ = 88453302840. Its totient is φ = 18463831040.

The previous prime is 40620431101. The next prime is 40620431119. The reversal of 40620431104 is 40113402604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40620431101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7209619 + ... + 7215250.

It is an arithmetic number, because the mean of its divisors is an integer number (2457036190).

Almost surely, 2^40620431104 is an apocalyptic number.

40620431104 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40620431104 is an abundant number, since it is smaller than the sum of its proper divisors (47832871736).

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

40620431104 is a wasteful number, since it uses less digits than its factorization.

40620431104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14424896 (or 14424882 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 40620431104 its reverse (40113402604), we get a palindrome (80733833708).

The spelling of 40620431104 in words is "forty billion, six hundred twenty million, four hundred thirty-one thousand, one hundred four".