3547899840 has 56 divisors (see below), whose sum is σ = 11264585040. Its totient is φ = 946106368.

The previous prime is 3547899829. The next prime is 3547899841. The reversal of 3547899840 is 489987453.

3547899840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3547899841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1846905 + ... + 1848824.

Almost surely, 2^3547899840 is an apocalyptic number.

3547899840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3547899840 is an abundant number, since it is smaller than the sum of its proper divisors (7716685200).

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

3547899840 is a wasteful number, since it uses less digits than its factorization.

3547899840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3695749 (or 3695739 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 57.

The square root of 3547899840 is about 59564.2496804921. The cubic root of 3547899840 is about 1525.1894187361.

The spelling of 3547899840 in words is "three billion, five hundred forty-seven million, eight hundred ninety-nine thousand, eight hundred forty".