1400864272 has 40 divisors (see below), whose sum is σ = 2771608320. Its totient is φ = 685766400.

The previous prime is 1400864263. The next prime is 1400864273. The reversal of 1400864272 is 2724680041.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1400864273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141897 + ... + 151447.

It is an arithmetic number, because the mean of its divisors is an integer number (69290208).

Almost surely, 2^1400864272 is an apocalyptic number.

It is an amenable number.

1400864272 is a deficient number, since it is larger than the sum of its proper divisors (1370744048).

1400864272 is a wasteful number, since it uses less digits than its factorization.

1400864272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9751 (or 9745 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 1400864272 is about 37428.1214062368. The cubic root of 1400864272 is about 1118.9190974718.

The spelling of 1400864272 in words is "one billion, four hundred million, eight hundred sixty-four thousand, two hundred seventy-two".