39970492242 has 64 divisors (see below), whose sum is σ = 90226483200. Its totient is φ = 11729352960.

The previous prime is 39970492187. The next prime is 39970492253. The reversal of 39970492242 is 24229407993.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22567 + ... + 283637.

It is an arithmetic number, because the mean of its divisors is an integer number (1409788800).

Almost surely, 2^39970492242 is an apocalyptic number.

39970492242 is an abundant number, since it is smaller than the sum of its proper divisors (50255990958).

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

39970492242 is a wasteful number, since it uses less digits than its factorization.

39970492242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261191.

The product of its (nonzero) digits is 1959552, while the sum is 51.

The spelling of 39970492242 in words is "thirty-nine billion, nine hundred seventy million, four hundred ninety-two thousand, two hundred forty-two".