1455663425380 has 24 divisors (see below), whose sum is σ = 3139511929848. Its totient is φ = 566528467968.

The previous prime is 1455663425339. The next prime is 1455663425401. The reversal of 1455663425380 is 835243665541.

It can be written as a sum of positive squares in 4 ways, for example, as 748681789696 + 706981635684 = 865264^2 + 840822^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 983555629 + ... + 983557108.

It is an arithmetic number, because the mean of its divisors is an integer number (130812997077).

Almost surely, 2^{1455663425380} is an apocalyptic number.

1455663425380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1455663425380 is an abundant number, since it is smaller than the sum of its proper divisors (1683848504468).

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

1455663425380 is a wasteful number, since it uses less digits than its factorization.

1455663425380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967112783 (or 1967112781 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 52.

The spelling of 1455663425380 in words is "one trillion, four hundred fifty-five billion, six hundred sixty-three million, four hundred twenty-five thousand, three hundred eighty".