40292394 has 16 divisors (see below), whose sum is σ = 80827968. Its totient is φ = 13390272.

The previous prime is 40292383. The next prime is 40292411. The reversal of 40292394 is 49329204.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7942 + ... + 11985.

It is an arithmetic number, because the mean of its divisors is an integer number (5051748).

Almost surely, 2^40292394 is an apocalyptic number.

40292394 is an abundant number, since it is smaller than the sum of its proper divisors (40535574).

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

40292394 is a wasteful number, since it uses less digits than its factorization.

40292394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20269.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 40292394 is about 6347.6290061723. The cubic root of 40292394 is about 342.8264782595.

The spelling of 40292394 in words is "forty million, two hundred ninety-two thousand, three hundred ninety-four".