1374404904081 has 24 divisors (see below), whose sum is σ = 2165860872864. Its totient is φ = 832921925760.

The previous prime is 1374404904079. The next prime is 1374404904107. The reversal of 1374404904081 is 1804094044731.

1374404904081 is a `hidden beast` number, since 1 + 3 + 7 + 4 + 40 + 490 + 40 + 81 = 666.

1374404904081 is a nontrivial binomial coefficient, being equal to C(1657954, 2).

It is not a de Polignac number, because 1374404904081 - 2¹ = 1374404904079 is a prime.

It is a super-2 number, since 2×1374404904081² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1374404904781) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1243465 + ... + 2072441.

It is an arithmetic number, because the mean of its divisors is an integer number (90244203036).

Almost surely, 2^{1374404904081} is an apocalyptic number.

1374404904081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1374404904081 is the 1657953-rd triangular number and also the 828977-th hexagonal number.

It is an amenable number.

1374404904081 is a deficient number, since it is larger than the sum of its proper divisors (791455968783).

1374404904081 is a wasteful number, since it uses less digits than its factorization.

1374404904081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845741 (or 845738 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 1374404904081 in words is "one trillion, three hundred seventy-four billion, four hundred four million, nine hundred four thousand, eighty-one".