1401176777268 has 48 divisors (see below), whose sum is σ = 3525425547840. Its totient is φ = 431684755200.

The previous prime is 1401176777261. The next prime is 1401176777339. The reversal of 1401176777268 is 8627776711041.

It is a super-2 number, since 2×1401176777268² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401176777261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74935923 + ... + 74954618.

It is an arithmetic number, because the mean of its divisors is an integer number (73446365580).

Almost surely, 2^{1401176777268} is an apocalyptic number.

It is an amenable number.

1401176777268 is an abundant number, since it is smaller than the sum of its proper divisors (2124248770572).

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

1401176777268 is a wasteful number, since it uses less digits than its factorization.

1401176777268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149890608 (or 149890606 counting only the distinct ones).

The product of its (nonzero) digits is 5531904, while the sum is 57.

The spelling of 1401176777268 in words is "one trillion, four hundred one billion, one hundred seventy-six million, seven hundred seventy-seven thousand, two hundred sixty-eight".