1942636494 has 16 divisors (see below), whose sum is σ = 4089761280. Its totient is φ = 613464120.

The previous prime is 1942636469. The next prime is 1942636523. The reversal of 1942636494 is 4946362491.

It is a super-2 number, since 2×1942636494² = 7547673095641224072, which contains 22 as substring.

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, 8520222 + ... + 8520449.

It is an arithmetic number, because the mean of its divisors is an integer number (255610080).

Almost surely, 2^1942636494 is an apocalyptic number.

1942636494 is an abundant number, since it is smaller than the sum of its proper divisors (2147124786).

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

1942636494 is a wasteful number, since it uses less digits than its factorization.

1942636494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17040695.

The product of its digits is 1119744, while the sum is 48.

The square root of 1942636494 is about 44075.3501857898. The cubic root of 1942636494 is about 1247.7584347643.

The spelling of 1942636494 in words is "one billion, nine hundred forty-two million, six hundred thirty-six thousand, four hundred ninety-four".