401452340 has 12 divisors (see below), whose sum is σ = 843049956. Its totient is φ = 160580928.

The previous prime is 401452319. The next prime is 401452379. The reversal of 401452340 is 43254104.

It can be written as a sum of positive squares in 2 ways, for example, as 163737616 + 237714724 = 12796^2 + 15418^2 .

It is a super-2 number, since 2×401452340² = 322327962582951200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10036289 + ... + 10036328.

It is an arithmetic number, because the mean of its divisors is an integer number (70254163).

Almost surely, 2^401452340 is an apocalyptic number.

It is an amenable number.

401452340 is an abundant number, since it is smaller than the sum of its proper divisors (441597616).

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

401452340 is a wasteful number, since it uses less digits than its factorization.

401452340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20072626 (or 20072624 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 401452340 is about 20036.2756020175. The cubic root of 401452340 is about 737.6969670209.

The spelling of 401452340 in words is "four hundred one million, four hundred fifty-two thousand, three hundred forty".