1377622040 has 16 divisors (see below), whose sum is σ = 3099649680. Its totient is φ = 551048800.

The previous prime is 1377622039. The next prime is 1377622049. The reversal of 1377622040 is 402267731.

It is a junction number, because it is equal to n+sod(n) for n = 1377621988 and 1377622006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377622049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17220236 + ... + 17220315.

It is an arithmetic number, because the mean of its divisors is an integer number (193728105).

Almost surely, 2^1377622040 is an apocalyptic number.

1377622040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1377622040 is an abundant number, since it is smaller than the sum of its proper divisors (1722027640).

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

1377622040 is a wasteful number, since it uses less digits than its factorization.

1377622040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34440562 (or 34440558 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 1377622040 is about 37116.3311764512. The cubic root of 1377622040 is about 1112.6964285567.

Adding to 1377622040 its reverse (402267731), we get a palindrome (1779889771).

The spelling of 1377622040 in words is "one billion, three hundred seventy-seven million, six hundred twenty-two thousand, forty".