40320613242 has 96 divisors (see below), whose sum is σ = 112247956800. Its totient is φ = 10633998816.

The previous prime is 40320613219. The next prime is 40320613259. The reversal of 40320613242 is 24231602304.

40320613242 is a `hidden beast` number, since 4 + 0 + 3 + 2 + 0 + 613 + 2 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 551692 + ... + 620487.

It is an arithmetic number, because the mean of its divisors is an integer number (1169249550).

Almost surely, 2^40320613242 is an apocalyptic number.

40320613242 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

40320613242 is an abundant number, since it is smaller than the sum of its proper divisors (71927343558).

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

40320613242 is a wasteful number, since it uses less digits than its factorization.

40320613242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172217 (or 1172204 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The spelling of 40320613242 in words is "forty billion, three hundred twenty million, six hundred thirteen thousand, two hundred forty-two".