1453181107720 has 16 divisors (see below), whose sum is σ = 3269657492460. Its totient is φ = 581272443072.

The previous prime is 1453181107717. The next prime is 1453181107757. The reversal of 1453181107720 is 277011813541.

It can be written as a sum of positive squares in 2 ways, for example, as 1443760852356 + 9420255364 = 1201566^2 + 97058^2 .

It is a super-2 number, since 2×1453181107720² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 36329527693 = 1453181107720 / (1 + 4 + 5 + 3 + 1 + 8 + 1 + 1 + 0 + 7 + 7 + 2 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18164763807 + ... + 18164763886.

Almost surely, 2^{1453181107720} is an apocalyptic number.

1453181107720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1453181107720 is an abundant number, since it is smaller than the sum of its proper divisors (1816476384740).

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

1453181107720 is a wasteful number, since it uses less digits than its factorization.

1453181107720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36329527704 (or 36329527700 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 40.

The spelling of 1453181107720 in words is "one trillion, four hundred fifty-three billion, one hundred eighty-one million, one hundred seven thousand, seven hundred twenty".