1942156740 has 24 divisors (see below), whose sum is σ = 5438039040. Its totient is φ = 517908448.

The previous prime is 1942156739. The next prime is 1942156759. The reversal of 1942156740 is 476512491.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16184580 + ... + 16184699.

It is an arithmetic number, because the mean of its divisors is an integer number (226584960).

Almost surely, 2^1942156740 is an apocalyptic number.

1942156740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1942156740 is an abundant number, since it is smaller than the sum of its proper divisors (3495882300).

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

1942156740 is a wasteful number, since it uses less digits than its factorization.

1942156740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32369291 (or 32369289 counting only the distinct ones).

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

The square root of 1942156740 is about 44069.9074199164. The cubic root of 1942156740 is about 1247.6557107281.

The spelling of 1942156740 in words is "one billion, nine hundred forty-two million, one hundred fifty-six thousand, seven hundred forty".