1401626745748 has 24 divisors (see below), whose sum is σ = 2456742806504. Its totient is φ = 699701068800.

The previous prime is 1401626745731. The next prime is 1401626745793. The reversal of 1401626745748 is 8475476261041.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 283980278404 + 1117646467344 = 532898^2 + 1057188^2 .

It is a super-2 number, since 2×1401626745748² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6663628 + ... + 6870748.

Almost surely, 2^{1401626745748} is an apocalyptic number.

It is an amenable number.

1401626745748 is a deficient number, since it is larger than the sum of its proper divisors (1055116060756).

1401626745748 is a wasteful number, since it uses less digits than its factorization.

1401626745748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209803 (or 209801 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 55.

The spelling of 1401626745748 in words is "one trillion, four hundred one billion, six hundred twenty-six million, seven hundred forty-five thousand, seven hundred forty-eight".