1377606040 has 16 divisors (see below), whose sum is σ = 3099613680. Its totient is φ = 551042400.

The previous prime is 1377605989. The next prime is 1377606047. The reversal of 1377606040 is 406067731.

It is a junction number, because it is equal to n+sod(n) for n = 1377605987 and 1377606005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377606047) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 17220036 + ... + 17220115.

It is an arithmetic number, because the mean of its divisors is an integer number (193725855).

Almost surely, 2^1377606040 is an apocalyptic number.

1377606040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1377606040 is an abundant number, since it is smaller than the sum of its proper divisors (1722007640).

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

1377606040 is a wasteful number, since it uses less digits than its factorization.

1377606040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34440162 (or 34440158 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 1377606040 is about 37116.1156372808. The cubic root of 1377606040 is about 1112.6921208411.

The spelling of 1377606040 in words is "one billion, three hundred seventy-seven million, six hundred six thousand, forty".