40621413372 has 24 divisors (see below), whose sum is σ = 94842693456. Its totient is φ = 13531986048.

The previous prime is 40621413367. The next prime is 40621413401. The reversal of 40621413372 is 27331412604.

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, 1040673 + ... + 1079000.

It is an arithmetic number, because the mean of its divisors is an integer number (3951778894).

Almost surely, 2^40621413372 is an apocalyptic number.

It is an amenable number.

40621413372 is an abundant number, since it is smaller than the sum of its proper divisors (54221280084).

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

40621413372 is a wasteful number, since it uses less digits than its factorization.

40621413372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2121277 (or 2121275 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

Adding to 40621413372 its reverse (27331412604), we get a palindrome (67952825976).

The spelling of 40621413372 in words is "forty billion, six hundred twenty-one million, four hundred thirteen thousand, three hundred seventy-two".