1376644038 has 32 divisors (see below), whose sum is σ = 3432672000. Its totient is φ = 357569760.

The previous prime is 1376644019. The next prime is 1376644051. The reversal of 1376644038 is 8304466731.

It is a happy number.

1376644038 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1489413 + ... + 1490336.

It is an arithmetic number, because the mean of its divisors is an integer number (107271000).

Almost surely, 2^1376644038 is an apocalyptic number.

1376644038 is an abundant number, since it is smaller than the sum of its proper divisors (2056027962).

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

1376644038 is a wasteful number, since it uses less digits than its factorization.

1376644038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2979772.

The product of its (nonzero) digits is 290304, while the sum is 42.

The square root of 1376644038 is about 37103.1540168757. The cubic root of 1376644038 is about 1112.4330575888.

The spelling of 1376644038 in words is "one billion, three hundred seventy-six million, six hundred forty-four thousand, thirty-eight".