1400250464 has 24 divisors (see below), whose sum is σ = 2757956040. Its totient is φ = 699817216.

The previous prime is 1400250463. The next prime is 1400250493. The reversal of 1400250464 is 4640520041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400250463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75947 + ... + 92565.

It is an arithmetic number, because the mean of its divisors is an integer number (114914835).

Almost surely, 2^1400250464 is an apocalyptic number.

It is an amenable number.

1400250464 is a deficient number, since it is larger than the sum of its proper divisors (1357705576).

1400250464 is a wasteful number, since it uses less digits than its factorization.

1400250464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19262 (or 19254 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1400250464 is about 37419.9206840421. The cubic root of 1400250464 is about 1118.7556503195.

The spelling of 1400250464 in words is "one billion, four hundred million, two hundred fifty thousand, four hundred sixty-four".