400162532 has 96 divisors (see below), whose sum is σ = 917360640. Its totient is φ = 148176000.

The previous prime is 400162531. The next prime is 400162537. The reversal of 400162532 is 235261004.

It is a junction number, because it is equal to n+sod(n) for n = 400162498 and 400162507.

It is not an unprimeable number, because it can be changed into a prime (400162531) 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, 633857 + ... + 634487.

It is an arithmetic number, because the mean of its divisors is an integer number (9555840).

Almost surely, 2^400162532 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 400162532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (458680320).

400162532 is an abundant number, since it is smaller than the sum of its proper divisors (517198108).

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

400162532 is a wasteful number, since it uses less digits than its factorization.

400162532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753 (or 751 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 400162532 is about 20004.0628873237. The cubic root of 400162532 is about 736.9060817157.

The spelling of 400162532 in words is "four hundred million, one hundred sixty-two thousand, five hundred thirty-two".