402153000 has 128 divisors (see below), whose sum is σ = 1288984320. Its totient is φ = 104313600.

The previous prime is 402152977. The next prime is 402153001. The reversal of 402153000 is 351204.

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

It is not an unprimeable number, because it can be changed into a prime (402153001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109189 + ... + 112811.

It is an arithmetic number, because the mean of its divisors is an integer number (10070190).

Almost surely, 2^402153000 is an apocalyptic number.

402153000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402153000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (644492160).

402153000 is an abundant number, since it is smaller than the sum of its proper divisors (886831320).

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

402153000 is a wasteful number, since it uses less digits than its factorization.

402153000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3684 (or 3670 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 402153000 is about 20053.7527660037. The cubic root of 402153000 is about 738.1258882933.

The spelling of 402153000 in words is "four hundred two million, one hundred fifty-three thousand".