40383490 has 32 divisors (see below), whose sum is σ = 83700864. Its totient is φ = 13741440.

The previous prime is 40383487. The next prime is 40383491. The reversal of 40383490 is 9438304.

It is not an unprimeable number, because it can be changed into a prime (40383491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7485 + ... + 11695.

It is an arithmetic number, because the mean of its divisors is an integer number (2615652).

Almost surely, 2^40383490 is an apocalyptic number.

40383490 is an abundant number, since it is smaller than the sum of its proper divisors (43317374).

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

40383490 is a wasteful number, since it uses less digits than its factorization.

40383490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4362.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 40383490 is about 6354.8005476175. The cubic root of 40383490 is about 343.0846462121.

The spelling of 40383490 in words is "forty million, three hundred eighty-three thousand, four hundred ninety".