402595490 has 16 divisors (see below), whose sum is σ = 790551360. Its totient is φ = 146398320.

The previous prime is 402595471. The next prime is 402595499. The reversal of 402595490 is 94595204.

It is not an unprimeable number, because it can be changed into a prime (402595499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1829870 + ... + 1830089.

It is an arithmetic number, because the mean of its divisors is an integer number (49409460).

Almost surely, 2^402595490 is an apocalyptic number.

402595490 is a deficient number, since it is larger than the sum of its proper divisors (387955870).

402595490 is a wasteful number, since it uses less digits than its factorization.

402595490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3659977.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 402595490 is about 20064.7823312390. The cubic root of 402595490 is about 738.3965096789.

The spelling of 402595490 in words is "four hundred two million, five hundred ninety-five thousand, four hundred ninety".