1942616690 has 96 divisors (see below), whose sum is σ = 4329106560. Its totient is φ = 612693504.

The previous prime is 1942616681. The next prime is 1942616701. The reversal of 1942616690 is 966162491.

It is a super-2 number, since 2×1942616690² = 7547519208533112200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2628341 + ... + 2629079.

It is an arithmetic number, because the mean of its divisors is an integer number (45094860).

Almost surely, 2^1942616690 is an apocalyptic number.

1942616690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1942616690 is an abundant number, since it is smaller than the sum of its proper divisors (2386489870).

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

1942616690 is a wasteful number, since it uses less digits than its factorization.

1942616690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864 (or 817 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 1942616690 is about 44075.1255244951. The cubic root of 1942616690 is about 1247.7541947033.

The spelling of 1942616690 in words is "one billion, nine hundred forty-two million, six hundred sixteen thousand, six hundred ninety".