1864141040 has 20 divisors (see below), whose sum is σ = 4334128104. Its totient is φ = 745656384.

The previous prime is 1864141021. The next prime is 1864141079. The reversal of 1864141040 is 401414681.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 1864140994 and 1864141012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11650802 + ... + 11650961.

Almost surely, 2^1864141040 is an apocalyptic number.

1864141040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1864141040 is an abundant number, since it is smaller than the sum of its proper divisors (2469987064).

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

1864141040 is a wasteful number, since it uses less digits than its factorization.

1864141040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23301776 (or 23301770 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 1864141040 is about 43175.6996469079. The cubic root of 1864141040 is about 1230.7209380971.

The spelling of 1864141040 in words is "one billion, eight hundred sixty-four million, one hundred forty-one thousand, forty".