40374269394 has 64 divisors (see below), whose sum is σ = 84654685440. Its totient is φ = 12820469760.

The previous prime is 40374269387. The next prime is 40374269443. The reversal of 40374269394 is 49396247304.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5032074 + ... + 5040090.

It is an arithmetic number, because the mean of its divisors is an integer number (1322729460).

Almost surely, 2^40374269394 is an apocalyptic number.

40374269394 is an abundant number, since it is smaller than the sum of its proper divisors (44280416046).

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

40374269394 is a wasteful number, since it uses less digits than its factorization.

40374269394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8435.

The product of its (nonzero) digits is 3919104, while the sum is 51.

The spelling of 40374269394 in words is "forty billion, three hundred seventy-four million, two hundred sixty-nine thousand, three hundred ninety-four".