1400261564 has 24 divisors (see below), whose sum is σ = 2668614480. Its totient is φ = 639010944.

The previous prime is 1400261539. The next prime is 1400261567. The reversal of 1400261564 is 4651620041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400261567) 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, 146654 + ... + 155909.

It is an arithmetic number, because the mean of its divisors is an integer number (111192270).

Almost surely, 2^1400261564 is an apocalyptic number.

It is an amenable number.

1400261564 is a deficient number, since it is larger than the sum of its proper divisors (1268352916).

1400261564 is a wasteful number, since it uses less digits than its factorization.

1400261564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302669 (or 302667 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 1400261564 is about 37420.0690004709. The cubic root of 1400261564 is about 1118.7586064941.

The spelling of 1400261564 in words is "one billion, four hundred million, two hundred sixty-one thousand, five hundred sixty-four".