1453631652540 has 36 divisors (see below), whose sum is σ = 4409349346584. Its totient is φ = 387635107296.

The previous prime is 1453631652527. The next prime is 1453631652581. The reversal of 1453631652540 is 452561363541.

It is a happy number.

1453631652540 is a `hidden beast` number, since 1 + 4 + 5 + 3 + 631 + 6 + 5 + 2 + 5 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1453631652540² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4037865522 + ... + 4037865881.

It is an arithmetic number, because the mean of its divisors is an integer number (122481926294).

Almost surely, 2^{1453631652540} is an apocalyptic number.

1453631652540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1453631652540 is an abundant number, since it is smaller than the sum of its proper divisors (2955717694044).

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

1453631652540 is a wasteful number, since it uses less digits than its factorization.

1453631652540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8075731418 (or 8075731413 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 45.

The spelling of 1453631652540 in words is "one trillion, four hundred fifty-three billion, six hundred thirty-one million, six hundred fifty-two thousand, five hundred forty".