1377517654540 has 12 divisors (see below), whose sum is σ = 2892787074576. Its totient is φ = 551007061808.

The previous prime is 1377517654507. The next prime is 1377517654577. The reversal of 1377517654540 is 454567157731.

It is a happy number.

It is a super-2 number, since 2×1377517654540² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34437941344 + ... + 34437941383.

It is an arithmetic number, because the mean of its divisors is an integer number (241065589548).

Almost surely, 2^{1377517654540} is an apocalyptic number.

1377517654540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1377517654540 is an abundant number, since it is smaller than the sum of its proper divisors (1515269420036).

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

1377517654540 is a wasteful number, since it uses less digits than its factorization.

1377517654540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68875882736 (or 68875882734 counting only the distinct ones).

The product of its (nonzero) digits is 12348000, while the sum is 55.

The spelling of 1377517654540 in words is "one trillion, three hundred seventy-seven billion, five hundred seventeen million, six hundred fifty-four thousand, five hundred forty".