1377434412 has 72 divisors (see below), whose sum is σ = 3725299760. Its totient is φ = 427835520.

The previous prime is 1377434407. The next prime is 1377434453. The reversal of 1377434412 is 2144347731.

1377434412 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 (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25218 + ... + 58230.

Almost surely, 2^1377434412 is an apocalyptic number.

1377434412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1377434412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1862649880).

1377434412 is an abundant number, since it is smaller than the sum of its proper divisors (2347865348).

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

1377434412 is a wasteful number, since it uses less digits than its factorization.

1377434412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33103 (or 33098 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 1377434412 is about 37113.8035237565. The cubic root of 1377434412 is about 1112.6459109551.

The spelling of 1377434412 in words is "one billion, three hundred seventy-seven million, four hundred thirty-four thousand, four hundred twelve".