39040154394 has 16 divisors (see below), whose sum is σ = 78284178432. Its totient is φ = 12979406528.

The previous prime is 39040154383. The next prime is 39040154429. The reversal of 39040154394 is 49345104093.

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, 8492079 + ... + 8496674.

It is an arithmetic number, because the mean of its divisors is an integer number (4892761152).

Almost surely, 2^39040154394 is an apocalyptic number.

39040154394 is an abundant number, since it is smaller than the sum of its proper divisors (39244024038).

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

39040154394 is a wasteful number, since it uses less digits than its factorization.

39040154394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16989141.

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 39040154394 in words is "thirty-nine billion, forty million, one hundred fifty-four thousand, three hundred ninety-four".