40345974 has 12 divisors (see below), whose sum is σ = 87416316. Its totient is φ = 13448652.

The previous prime is 40345967. The next prime is 40345999. The reversal of 40345974 is 47954304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1120704 + ... + 1120739.

It is an arithmetic number, because the mean of its divisors is an integer number (7284693).

Almost surely, 2^40345974 is an apocalyptic number.

40345974 is an abundant number, since it is smaller than the sum of its proper divisors (47070342).

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

40345974 is a wasteful number, since it uses less digits than its factorization.

40345974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2241451 (or 2241448 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 40345974 is about 6351.8480775283. The cubic root of 40345974 is about 342.9783721598.

The spelling of 40345974 in words is "forty million, three hundred forty-five thousand, nine hundred seventy-four".