1942957340 has 24 divisors (see below), whose sum is σ = 4084531920. Its totient is φ = 776359808.

The previous prime is 1942957339. The next prime is 1942957349. The reversal of 1942957340 is 437592491.

It is a junction number, because it is equal to n+sod(n) for n = 1942957291 and 1942957300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1942957349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31910 + ... + 70029.

It is an arithmetic number, because the mean of its divisors is an integer number (170188830).

Almost surely, 2^1942957340 is an apocalyptic number.

1942957340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1942957340 is an abundant number, since it is smaller than the sum of its proper divisors (2141574580).

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

1942957340 is a wasteful number, since it uses less digits than its factorization.

1942957340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102901 (or 102899 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 1942957340 is about 44078.9897797125. The cubic root of 1942957340 is about 1247.8271242775.

The spelling of 1942957340 in words is "one billion, nine hundred forty-two million, nine hundred fifty-seven thousand, three hundred forty".