1377446453620 has 48 divisors (see below), whose sum is σ = 2938640664960. Its totient is φ = 542281723776.

The previous prime is 1377446453587. The next prime is 1377446453623. The reversal of 1377446453620 is 263546447731.

It is a super-2 number, since 2×1377446453620² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377446453623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1715335 + ... + 2386894.

It is an arithmetic number, because the mean of its divisors is an integer number (61221680520).

Almost surely, 2^{1377446453620} is an apocalyptic number.

1377446453620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1377446453620 is an abundant number, since it is smaller than the sum of its proper divisors (1561194211340).

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

1377446453620 is a wasteful number, since it uses less digits than its factorization.

1377446453620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4102504 (or 4102502 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 52.

The spelling of 1377446453620 in words is "one trillion, three hundred seventy-seven billion, four hundred forty-six million, four hundred fifty-three thousand, six hundred twenty".