1540898399194 has 240 divisors, whose sum is σ = 3092184737280. Its totient is φ = 575231580000.

The previous prime is 1540898399167. The next prime is 1540898399203. The reversal of 1540898399194 is 4919938980451.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 15256419744 + ... + 15256419844.

It is an arithmetic number, because the mean of its divisors is an integer number (12884103072).

Almost surely, 2^{1540898399194} is an apocalyptic number.

1540898399194 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1540898399194 is an abundant number, since it is smaller than the sum of its proper divisors (1551286338086).

1540898399194 is an frugal number, since it uses more digits than its factorization.

1540898399194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 100776960, while the sum is 70.

The spelling of 1540898399194 in words is "one trillion, five hundred forty billion, eight hundred ninety-eight million, three hundred ninety-nine thousand, one hundred ninety-four".