3531408438 has 16 divisors (see below), whose sum is σ = 7434544320. Its totient is φ = 1115181576.

The previous prime is 3531408409. The next prime is 3531408443. The reversal of 3531408438 is 8348041353.

It is a junction number, because it is equal to n+sod(n) for n = 3531408396 and 3531408405.

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, 15488520 + ... + 15488747.

It is an arithmetic number, because the mean of its divisors is an integer number (464659020).

Almost surely, 2^3531408438 is an apocalyptic number.

3531408438 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3531408438 is an abundant number, since it is smaller than the sum of its proper divisors (3903135882).

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

3531408438 is a wasteful number, since it uses less digits than its factorization.

3531408438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30977291.

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

The square root of 3531408438 is about 59425.6547124220. The cubic root of 3531408438 is about 1522.8226115782.

The spelling of 3531408438 in words is "three billion, five hundred thirty-one million, four hundred eight thousand, four hundred thirty-eight".