400014532 has 24 divisors (see below), whose sum is σ = 730645272. Its totient is φ = 191443200.

The previous prime is 400014529. The next prime is 400014569. The reversal of 400014532 is 235410004.

It can be written as a sum of positive squares in 4 ways, for example, as 108493056 + 291521476 = 10416^2 + 17074^2 .

It is a super-2 number, since 2×400014532² = 320023251622358048, which contains 22 as substring.

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, 14319 + ... + 31702.

It is an arithmetic number, because the mean of its divisors is an integer number (30443553).

Almost surely, 2^400014532 is an apocalyptic number.

It is an amenable number.

400014532 is a deficient number, since it is larger than the sum of its proper divisors (330630740).

400014532 is a wasteful number, since it uses less digits than its factorization.

400014532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46119 (or 46117 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 400014532 is about 20000.3632967004. The cubic root of 400014532 is about 736.8152223443.

Adding to 400014532 its reverse (235410004), we get a palindrome (635424536).

The spelling of 400014532 in words is "four hundred million, fourteen thousand, five hundred thirty-two".