1940022051 has 32 divisors (see below), whose sum is σ = 2933957376. Its totient is φ = 1129920000.

The previous prime is 1940022023. The next prime is 1940022053. The reversal of 1940022051 is 1502200491.

It is not a de Polignac number, because 1940022051 - 2¹⁸ = 1939759907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1940022053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79951 + ... + 101351.

It is an arithmetic number, because the mean of its divisors is an integer number (91686168).

Almost surely, 2^1940022051 is an apocalyptic number.

1940022051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1940022051 is a deficient number, since it is larger than the sum of its proper divisors (993935325).

1940022051 is a wasteful number, since it uses less digits than its factorization.

1940022051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21523.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1940022051 is about 44045.6814114619. The cubic root of 1940022051 is about 1247.1984298681.

The spelling of 1940022051 in words is "one billion, nine hundred forty million, twenty-two thousand, fifty-one".