1940496540 has 24 divisors (see below), whose sum is σ = 5433390480. Its totient is φ = 517465728.

The previous prime is 1940496533. The next prime is 1940496563. The reversal of 1940496540 is 456940491.

1940496540 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1940496492 and 1940496501.

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, 16170745 + ... + 16170864.

It is an arithmetic number, because the mean of its divisors is an integer number (226391270).

Almost surely, 2^1940496540 is an apocalyptic number.

1940496540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1940496540 is an abundant number, since it is smaller than the sum of its proper divisors (3492893940).

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

1940496540 is a wasteful number, since it uses less digits than its factorization.

1940496540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32341621 (or 32341619 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 1940496540 is about 44051.0674104499. The cubic root of 1940496540 is about 1247.3001011689.

The spelling of 1940496540 in words is "one billion, nine hundred forty million, four hundred ninety-six thousand, five hundred forty".