1457723109540 has 48 divisors (see below), whose sum is σ = 4133290855680. Its totient is φ = 383805576960.

The previous prime is 1457723109457. The next prime is 1457723109551. The reversal of 1457723109540 is 459013277541.

It is a self number, because there is not a number n which added to its sum of digits gives 1457723109540.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153763521 + ... + 153773000.

It is an arithmetic number, because the mean of its divisors is an integer number (86110226160).

Almost surely, 2^{1457723109540} is an apocalyptic number.

1457723109540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1457723109540 is an abundant number, since it is smaller than the sum of its proper divisors (2675567746140).

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

1457723109540 is a wasteful number, since it uses less digits than its factorization.

1457723109540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307536612 (or 307536610 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 48.

The spelling of 1457723109540 in words is "one trillion, four hundred fifty-seven billion, seven hundred twenty-three million, one hundred nine thousand, five hundred forty".