1400455152 has 60 divisors (see below), whose sum is σ = 3985782840. Its totient is φ = 458903424.

The previous prime is 1400455151. The next prime is 1400455159. The reversal of 1400455152 is 2515540041.

1400455152 is a `hidden beast` number, since 140 + 0 + 4 + 5 + 515 + 2 = 666.

It is a super-2 number, since 2×1400455152² = 3922549265526686208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400455151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73923 + ... + 90914.

It is an arithmetic number, because the mean of its divisors is an integer number (66429714).

Almost surely, 2^1400455152 is an apocalyptic number.

1400455152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1400455152 is an abundant number, since it is smaller than the sum of its proper divisors (2585327688).

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

1400455152 is a wasteful number, since it uses less digits than its factorization.

1400455152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164910 (or 164901 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 1400455152 is about 37422.6555979129. The cubic root of 1400455152 is about 1118.8101607339.

Adding to 1400455152 its reverse (2515540041), we get a palindrome (3915995193).

The spelling of 1400455152 in words is "one billion, four hundred million, four hundred fifty-five thousand, one hundred fifty-two".