1940456526 has 32 divisors (see below), whose sum is σ = 4020796800. Its totient is φ = 623572320.

The previous prime is 1940456519. The next prime is 1940456533. The reversal of 1940456526 is 6256540491.

It is an interprime number because it is at equal distance from previous prime (1940456519) and next prime (1940456533).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112165 + ... + 128303.

It is an arithmetic number, because the mean of its divisors is an integer number (125649900).

Almost surely, 2^1940456526 is an apocalyptic number.

1940456526 is an abundant number, since it is smaller than the sum of its proper divisors (2080340274).

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

1940456526 is a wasteful number, since it uses less digits than its factorization.

1940456526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16864.

The product of its (nonzero) digits is 259200, while the sum is 42.

The square root of 1940456526 is about 44050.6132306918. The cubic root of 1940456526 is about 1247.2915277947.

The spelling of 1940456526 in words is "one billion, nine hundred forty million, four hundred fifty-six thousand, five hundred twenty-six".