1457561652540 has 96 divisors (see below), whose sum is σ = 4728090501120. Its totient is φ = 328593148416.

The previous prime is 1457561652517. The next prime is 1457561652541. The reversal of 1457561652540 is 452561657541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1457561652541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23739100 + ... + 23800419.

It is an arithmetic number, because the mean of its divisors is an integer number (49250942720).

Almost surely, 2^{1457561652540} is an apocalyptic number.

1457561652540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1457561652540 is an abundant number, since it is smaller than the sum of its proper divisors (3270528848580).

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

1457561652540 is a wasteful number, since it uses less digits than its factorization.

1457561652540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47539611 (or 47539609 counting only the distinct ones).

The product of its (nonzero) digits is 5040000, while the sum is 51.

The spelling of 1457561652540 in words is "one trillion, four hundred fifty-seven billion, five hundred sixty-one million, six hundred fifty-two thousand, five hundred forty".