3557405426 has 16 divisors (see below), whose sum is σ = 5480727840. Its totient is φ = 1730725920.

The previous prime is 3557405407. The next prime is 3557405429. The reversal of 3557405426 is 6245047553.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (3557405429) 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, 26156 + ... + 88311.

It is an arithmetic number, because the mean of its divisors is an integer number (342545490).

Almost surely, 2^3557405426 is an apocalyptic number.

3557405426 is a deficient number, since it is larger than the sum of its proper divisors (1923322414).

3557405426 is a wasteful number, since it uses less digits than its factorization.

3557405426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114889.

The product of its (nonzero) digits is 504000, while the sum is 41.

The square root of 3557405426 is about 59643.9890181735. The cubic root of 3557405426 is about 1526.5503074765.

The spelling of 3557405426 in words is "three billion, five hundred fifty-seven million, four hundred five thousand, four hundred twenty-six".