1400440232 has 32 divisors (see below), whose sum is σ = 2700021600. Its totient is φ = 680480064.

The previous prime is 1400440219. The next prime is 1400440271. The reversal of 1400440232 is 2320440041.

It is a super-2 number, since 2×1400440232² = 3922465686808427648, 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, 299303 + ... + 303945.

It is an arithmetic number, because the mean of its divisors is an integer number (84375675).

Almost surely, 2^1400440232 is an apocalyptic number.

It is an amenable number.

1400440232 is a deficient number, since it is larger than the sum of its proper divisors (1299581368).

1400440232 is a wasteful number, since it uses less digits than its factorization.

1400440232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5705 (or 5701 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1400440232 is about 37422.4562528971. The cubic root of 1400440232 is about 1118.8061875716.

Adding to 1400440232 its reverse (2320440041), we get a palindrome (3720880273).

The spelling of 1400440232 in words is "one billion, four hundred million, four hundred forty thousand, two hundred thirty-two".