40248464 has 10 divisors (see below), whose sum is σ = 77981430. Its totient is φ = 20124224.

The previous prime is 40248457. The next prime is 40248487. The reversal of 40248464 is 46484204.

It can be written as a sum of positive squares in only one way, i.e., 20178064 + 20070400 = 4492^2 + 4480^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40248464.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1257749 + ... + 1257780.

It is an arithmetic number, because the mean of its divisors is an integer number (7798143).

Almost surely, 2^40248464 is an apocalyptic number.

It is an amenable number.

40248464 is a deficient number, since it is larger than the sum of its proper divisors (37732966).

40248464 is a wasteful number, since it uses less digits than its factorization.

40248464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2515537 (or 2515531 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

The square root of 40248464 is about 6344.1677153114. The cubic root of 40248464 is about 342.7018406430.

The spelling of 40248464 in words is "forty million, two hundred forty-eight thousand, four hundred sixty-four".