1377750040 has 64 divisors (see below), whose sum is σ = 3455071200. Its totient is φ = 491378688.

The previous prime is 1377750037. The next prime is 1377750053. The reversal of 1377750040 is 400577731.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 1377749978 and 1377750005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40399 + ... + 66238.

Almost surely, 2^1377750040 is an apocalyptic number.

1377750040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1377750040 is an abundant number, since it is smaller than the sum of its proper divisors (2077321160).

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

1377750040 is a wasteful number, since it uses less digits than its factorization.

1377750040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106684 (or 106680 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 34.

The square root of 1377750040 is about 37118.0554447563. The cubic root of 1377750040 is about 1112.7308890807.

The spelling of 1377750040 in words is "one billion, three hundred seventy-seven million, seven hundred fifty thousand, forty".