402437072 has 40 divisors (see below), whose sum is σ = 815572800. Its totient is φ = 192008960.

The previous prime is 402437059. The next prime is 402437083. The reversal of 402437072 is 270734204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190679 + ... + 192777.

It is an arithmetic number, because the mean of its divisors is an integer number (20389320).

Almost surely, 2^402437072 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 402437072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (407786400).

402437072 is an abundant number, since it is smaller than the sum of its proper divisors (413135728).

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

402437072 is a wasteful number, since it uses less digits than its factorization.

402437072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2651 (or 2645 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 402437072 is about 20060.8342797602. The cubic root of 402437072 is about 738.2996459969.

The spelling of 402437072 in words is "four hundred two million, four hundred thirty-seven thousand, seventy-two".