1940657050 has 48 divisors (see below), whose sum is σ = 3686272992. Its totient is φ = 759902400.

The previous prime is 1940657029. The next prime is 1940657051. The reversal of 1940657050 is 507560491.

It is a super-2 number, since 2×1940657050² = 7532299571429405000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1940657051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 690949 + ... + 693751.

It is an arithmetic number, because the mean of its divisors is an integer number (76797354).

Almost surely, 2^1940657050 is an apocalyptic number.

1940657050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1940657050 is a deficient number, since it is larger than the sum of its proper divisors (1745615942).

1940657050 is a wasteful number, since it uses less digits than its factorization.

1940657050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3103 (or 3098 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 1940657050 is about 44052.8892355541. The cubic root of 1940657050 is about 1247.3344907552.

The spelling of 1940657050 in words is "one billion, nine hundred forty million, six hundred fifty-seven thousand, fifty".