1796142540 has 48 divisors (see below), whose sum is σ = 5031365472. Its totient is φ = 478765056.

The previous prime is 1796142539. The next prime is 1796142547. The reversal of 1796142540 is 452416971.

It is a super-2 number, since 2×1796142540² = 6452256047995303200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1796142547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177292 + ... + 187148.

It is an arithmetic number, because the mean of its divisors is an integer number (104820114).

Almost surely, 2^1796142540 is an apocalyptic number.

1796142540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1796142540 is an abundant number, since it is smaller than the sum of its proper divisors (3235222932).

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

1796142540 is a wasteful number, since it uses less digits than its factorization.

1796142540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12906 (or 12904 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 1796142540 is about 42380.9218870944. The cubic root of 1796142540 is about 1215.5708201986.

The spelling of 1796142540 in words is "one billion, seven hundred ninety-six million, one hundred forty-two thousand, five hundred forty".