1540954142994 has 32 divisors (see below), whose sum is σ = 3527624825856. Its totient is φ = 439592121360.

The previous prime is 1540954142983. The next prime is 1540954143007. The reversal of 1540954142994 is 4992414590451.

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, 28326292 + ... + 28380639.

It is an arithmetic number, because the mean of its divisors is an integer number (110238275808).

Almost surely, 2^{1540954142994} is an apocalyptic number.

1540954142994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1540954142994 is an abundant number, since it is smaller than the sum of its proper divisors (1986670682862).

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

1540954142994 is a wasteful number, since it uses less digits than its factorization.

1540954142994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56707590.

The product of its (nonzero) digits is 9331200, while the sum is 57.

The spelling of 1540954142994 in words is "one trillion, five hundred forty billion, nine hundred fifty-four million, one hundred forty-two thousand, nine hundred ninety-four".