40921974 has 12 divisors (see below), whose sum is σ = 88664316. Its totient is φ = 13640652.

The previous prime is 40921967. The next prime is 40921981. The reversal of 40921974 is 47912904.

It is an interprime number because it is at equal distance from previous prime (40921967) and next prime (40921981).

It is a super-3 number, since 3×40921974³ (a number of 24 digits) contains 333 as substring.

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, 1136704 + ... + 1136739.

It is an arithmetic number, because the mean of its divisors is an integer number (7388693).

Almost surely, 2^40921974 is an apocalyptic number.

40921974 is an abundant number, since it is smaller than the sum of its proper divisors (47742342).

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

40921974 is a wasteful number, since it uses less digits than its factorization.

40921974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2273451 (or 2273448 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 40921974 is about 6397.0285289344. The cubic root of 40921974 is about 344.6028448079.

The spelling of 40921974 in words is "forty million, nine hundred twenty-one thousand, nine hundred seventy-four".