1554992940100 has 288 divisors, whose sum is σ = 3622898119680. Its totient is φ = 578077800960.

The previous prime is 1554992940013. The next prime is 1554992940187. The reversal of 1554992940100 is 10492994551.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1554992940013) and next prime (1554992940187).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5494674559 + ... + 5494674841.

It is an arithmetic number, because the mean of its divisors is an integer number (12579507360).

Almost surely, 2^{1554992940100} is an apocalyptic number.

1554992940100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1554992940100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1811449059840).

1554992940100 is an abundant number, since it is smaller than the sum of its proper divisors (2067905179580).

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

1554992940100 is a wasteful number, since it uses less digits than its factorization.

1554992940100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779 (or 772 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 49.

The spelling of 1554992940100 in words is "one trillion, five hundred fifty-four billion, nine hundred ninety-two million, nine hundred forty thousand, one hundred".