3825803640 has 32 divisors (see below), whose sum is σ = 11477411280. Its totient is φ = 1020214272.

The previous prime is 3825803623. The next prime is 3825803659. The reversal of 3825803640 is 463085283.

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, 15940729 + ... + 15940968.

Almost surely, 2^3825803640 is an apocalyptic number.

3825803640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3825803640 is an abundant number, since it is smaller than the sum of its proper divisors (7651607640).

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

3825803640 is a wasteful number, since it uses less digits than its factorization.

3825803640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31881711 (or 31881707 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 3825803640 is about 61853.0810873638. The cubic root of 3825803640 is about 1564.0149210491.

The spelling of 3825803640 in words is "three billion, eight hundred twenty-five million, eight hundred three thousand, six hundred forty".