402654148 has 24 divisors (see below), whose sum is σ = 760887680. Its totient is φ = 185340960.

The previous prime is 402654113. The next prime is 402654151. The reversal of 402654148 is 841456204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9493 + ... + 29923.

Almost surely, 2^402654148 is an apocalyptic number.

It is an amenable number.

402654148 is a deficient number, since it is larger than the sum of its proper divisors (358233532).

402654148 is a wasteful number, since it uses less digits than its factorization.

402654148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20827 (or 20825 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 402654148 is about 20066.2439933337. The cubic root of 402654148 is about 738.4323692950.

The spelling of 402654148 in words is "four hundred two million, six hundred fifty-four thousand, one hundred forty-eight".