402261000 has 64 divisors (see below), whose sum is σ = 1255063680. Its totient is φ = 107268800.

The previous prime is 402260981. The next prime is 402261029. The reversal of 402261000 is 162204.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64044 + ... + 70043.

It is an arithmetic number, because the mean of its divisors is an integer number (19610370).

Almost surely, 2^402261000 is an apocalyptic number.

402261000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402261000 is an abundant number, since it is smaller than the sum of its proper divisors (852802680).

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

402261000 is a wasteful number, since it uses less digits than its factorization.

402261000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134111 (or 134097 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 402261000 is about 20056.4453480670. The cubic root of 402261000 is about 738.1919580568.

The spelling of 402261000 in words is "four hundred two million, two hundred sixty-one thousand".