1351705452040 has 16 divisors (see below), whose sum is σ = 3041337267180. Its totient is φ = 540682180800.

The previous prime is 1351705452037. The next prime is 1351705452073. The reversal of 1351705452040 is 402545071531.

It can be written as a sum of positive squares in 2 ways, for example, as 1242301951396 + 109403500644 = 1114586^2 + 330762^2 .

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, 16896318111 + ... + 16896318190.

Almost surely, 2^{1351705452040} is an apocalyptic number.

1351705452040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1351705452040 is an abundant number, since it is smaller than the sum of its proper divisors (1689631815140).

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

1351705452040 is a wasteful number, since it uses less digits than its factorization.

1351705452040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33792636312 (or 33792636308 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 37.

The spelling of 1351705452040 in words is "one trillion, three hundred fifty-one billion, seven hundred five million, four hundred fifty-two thousand, forty".