1377849744 has 160 divisors (see below), whose sum is σ = 4094976000. Its totient is φ = 443304576.

The previous prime is 1377849713. The next prime is 1377849751. The reversal of 1377849744 is 4479487731.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1603587 + ... + 1604445.

It is an arithmetic number, because the mean of its divisors is an integer number (25593600).

Almost surely, 2^1377849744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1377849744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2047488000).

1377849744 is an abundant number, since it is smaller than the sum of its proper divisors (2717126256).

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

1377849744 is a wasteful number, since it uses less digits than its factorization.

1377849744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002 (or 990 counting only the distinct ones).

The product of its digits is 4741632, while the sum is 54.

The square root of 1377849744 is about 37119.3984865057. The cubic root of 1377849744 is about 1112.7577301963.

The spelling of 1377849744 in words is "one billion, three hundred seventy-seven million, eight hundred forty-nine thousand, seven hundred forty-four".