402677340 has 48 divisors (see below), whose sum is σ = 1214229408. Its totient is φ = 99120384.

The previous prime is 402677339. The next prime is 402677371. The reversal of 402677340 is 43776204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257347 + ... + 258906.

It is an arithmetic number, because the mean of its divisors is an integer number (25296446).

Almost surely, 2^402677340 is an apocalyptic number.

It is an amenable number.

402677340 is an abundant number, since it is smaller than the sum of its proper divisors (811552068).

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

402677340 is a wasteful number, since it uses less digits than its factorization.

402677340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516278 (or 516276 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 402677340 is about 20066.8218709391. The cubic root of 402677340 is about 738.4465463870.

The spelling of 402677340 in words is "four hundred two million, six hundred seventy-seven thousand, three hundred forty".