1542998000 has 40 divisors (see below), whose sum is σ = 3730974000. Its totient is φ = 617198400.

The previous prime is 1542997991. The next prime is 1542998021. The reversal of 1542998000 is 8992451.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383750 + ... + 387749.

It is an arithmetic number, because the mean of its divisors is an integer number (93274350).

Almost surely, 2^1542998000 is an apocalyptic number.

1542998000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1542998000 is an abundant number, since it is smaller than the sum of its proper divisors (2187976000).

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

1542998000 is an equidigital number, since it uses as much as digits as its factorization.

1542998000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771522 (or 771506 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 1542998000 is about 39281.0132252212. The cubic root of 1542998000 is about 1155.5492349808.

The spelling of 1542998000 in words is "one billion, five hundred forty-two million, nine hundred ninety-eight thousand".