1377650436 has 12 divisors (see below), whose sum is σ = 3214517712. Its totient is φ = 459216808.

The previous prime is 1377650411. The next prime is 1377650459. The reversal of 1377650436 is 6340567731.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57402090 + ... + 57402113.

It is an arithmetic number, because the mean of its divisors is an integer number (267876476).

Almost surely, 2^1377650436 is an apocalyptic number.

It is an amenable number.

1377650436 is an abundant number, since it is smaller than the sum of its proper divisors (1836867276).

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

1377650436 is a wasteful number, since it uses less digits than its factorization.

1377650436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114804210 (or 114804208 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 42.

The square root of 1377650436 is about 37116.7137015119. The cubic root of 1377650436 is about 1112.7040735928.

The spelling of 1377650436 in words is "one billion, three hundred seventy-seven million, six hundred fifty thousand, four hundred thirty-six".