1400542560 has 72 divisors (see below), whose sum is σ = 4779356400. Its totient is φ = 373477632.

The previous prime is 1400542529. The next prime is 1400542567. The reversal of 1400542560 is 652450041.

1400542560 is a `hidden beast` number, since 1 + 400 + 5 + 4 + 256 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400542567) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 484860 + ... + 487739.

It is an arithmetic number, because the mean of its divisors is an integer number (66379950).

Almost surely, 2^1400542560 is an apocalyptic number.

1400542560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1400542560 is an abundant number, since it is smaller than the sum of its proper divisors (3378813840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1400542560 is a wasteful number, since it uses less digits than its factorization.

1400542560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972620 (or 972609 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1400542560 is about 37423.8234283992. The cubic root of 1400542560 is about 1118.8334367200.

It can be divided in two parts, 14005 and 42560, that added together give a palindrome (56565).

The spelling of 1400542560 in words is "one billion, four hundred million, five hundred forty-two thousand, five hundred sixty".