1400512550 has 48 divisors (see below), whose sum is σ = 2725888032. Its totient is φ = 534336000.

The previous prime is 1400512549. The next prime is 1400512571. The reversal of 1400512550 is 552150041.

It is a happy number.

It is a super-2 number, since 2×1400512550² = 3922870805415005000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 459632 + ... + 462668.

It is an arithmetic number, because the mean of its divisors is an integer number (56789334).

Almost surely, 2^1400512550 is an apocalyptic number.

1400512550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1400512550 is a deficient number, since it is larger than the sum of its proper divisors (1325375482).

1400512550 is a wasteful number, since it uses less digits than its factorization.

1400512550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3473 (or 3468 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 1400512550 is about 37423.4224784426. The cubic root of 1400512550 is about 1118.8254454286.

Adding to 1400512550 its reverse (552150041), we get a palindrome (1952662591).

The spelling of 1400512550 in words is "one billion, four hundred million, five hundred twelve thousand, five hundred fifty".