40248859 has 16 divisors (see below), whose sum is σ = 49734400. Its totient is φ = 31796064.

The previous prime is 40248847. The next prime is 40248869. The reversal of 40248859 is 95884204.

It is a cyclic number.

It is not a de Polignac number, because 40248859 - 2¹⁵ = 40216091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40248869) 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, 832 + ... + 9010.

It is an arithmetic number, because the mean of its divisors is an integer number (3108400).

Almost surely, 2^40248859 is an apocalyptic number.

40248859 is a deficient number, since it is larger than the sum of its proper divisors (9485541).

40248859 is a wasteful number, since it uses less digits than its factorization.

40248859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8242.

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 40248859 is about 6344.1988461901. The cubic root of 40248859 is about 342.7029617358.

The spelling of 40248859 in words is "forty million, two hundred forty-eight thousand, eight hundred fifty-nine".