39970492278 has 16 divisors (see below), whose sum is σ = 79948062720. Its totient is φ = 13322317736.

The previous prime is 39970492271. The next prime is 39970492363. The reversal of 39970492278 is 87229407993.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39970492271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220050 + ... + 358277.

It is an arithmetic number, because the mean of its divisors is an integer number (4996753920).

Almost surely, 2^39970492278 is an apocalyptic number.

39970492278 is an abundant number, since it is smaller than the sum of its proper divisors (39977570442).

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

39970492278 is a wasteful number, since it uses less digits than its factorization.

39970492278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589851.

The product of its (nonzero) digits is 13716864, while the sum is 60.

The spelling of 39970492278 in words is "thirty-nine billion, nine hundred seventy million, four hundred ninety-two thousand, two hundred seventy-eight".