402476620 has 192 divisors, whose sum is σ = 1115412480. Its totient is φ = 118444032.

The previous prime is 402476611. The next prime is 402476621. The reversal of 402476620 is 26674204.

It is not an unprimeable number, because it can be changed into a prime (402476621) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3561684 + ... + 3561796.

It is an arithmetic number, because the mean of its divisors is an integer number (5809440).

Almost surely, 2^402476620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402476620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (557706240).

402476620 is an abundant number, since it is smaller than the sum of its proper divisors (712935860).

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

402476620 is a wasteful number, since it uses less digits than its factorization.

402476620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 402476620 is about 20061.8199573219. The cubic root of 402476620 is about 738.3238297514.

The spelling of 402476620 in words is "four hundred two million, four hundred seventy-six thousand, six hundred twenty".