40792890 has 32 divisors (see below), whose sum is σ = 98879616. Its totient is φ = 10769600.

The previous prime is 40792889. The next prime is 40792901. The reversal of 40792890 is 9829704.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3702 + ... + 9761.

It is an arithmetic number, because the mean of its divisors is an integer number (3089988).

Almost surely, 2^40792890 is an apocalyptic number.

40792890 is an abundant number, since it is smaller than the sum of its proper divisors (58086726).

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

40792890 is a wasteful number, since it uses less digits than its factorization.

40792890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13574.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 40792890 is about 6386.9311879807. The cubic root of 40792890 is about 344.2401255204.

The spelling of 40792890 in words is "forty million, seven hundred ninety-two thousand, eight hundred ninety".