1400444145788 has 24 divisors (see below), whose sum is σ = 2466079024080. Its totient is φ = 695851067520.

The previous prime is 1400444145787. The next prime is 1400444145839. The reversal of 1400444145788 is 8875414440041.

It is a super-2 number, since 2×1400444145788² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400444145781) 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 7 ways as a sum of consecutive naturals, for example, 6187808 + ... + 6410136.

It is an arithmetic number, because the mean of its divisors is an integer number (102753292670).

Almost surely, 2^{1400444145788} is an apocalyptic number.

It is an amenable number.

1400444145788 is a deficient number, since it is larger than the sum of its proper divisors (1065634878292).

1400444145788 is a wasteful number, since it uses less digits than its factorization.

1400444145788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232157 (or 232155 counting only the distinct ones).

The product of its (nonzero) digits is 2293760, while the sum is 50.

The spelling of 1400444145788 in words is "one trillion, four hundred billion, four hundred forty-four million, one hundred forty-five thousand, seven hundred eighty-eight".