40924240 has 40 divisors (see below), whose sum is σ = 108743040. Its totient is φ = 14030976.

The previous prime is 40924237. The next prime is 40924259. The reversal of 40924240 is 4242904.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 35980 + ... + 37099.

It is an arithmetic number, because the mean of its divisors is an integer number (2718576).

Almost surely, 2^40924240 is an apocalyptic number.

40924240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40924240 is an abundant number, since it is smaller than the sum of its proper divisors (67818800).

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

40924240 is a wasteful number, since it uses less digits than its factorization.

40924240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73099 (or 73093 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 40924240 is about 6397.2056399650. The cubic root of 40924240 is about 344.6092053322.

It can be divided in two parts, 409 and 24240, that added together give a square (24649 = 157²).

The spelling of 40924240 in words is "forty million, nine hundred twenty-four thousand, two hundred forty".