3551774490 has 96 divisors (see below), whose sum is σ = 10288601856. Its totient is φ = 842705280.

The previous prime is 3551774467. The next prime is 3551774497. The reversal of 3551774490 is 944771553.

3551774490 is a `hidden beast` number, since 3 + 5 + 517 + 7 + 44 + 90 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (3551774497) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8364 + ... + 84696.

It is an arithmetic number, because the mean of its divisors is an integer number (107172936).

Almost surely, 2^3551774490 is an apocalyptic number.

3551774490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3551774490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5144300928).

3551774490 is an abundant number, since it is smaller than the sum of its proper divisors (6736827366).

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

3551774490 is a wasteful number, since it uses less digits than its factorization.

3551774490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76404 (or 76401 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The square root of 3551774490 is about 59596.7657679509. The cubic root of 3551774490 is about 1525.7444348937.

The spelling of 3551774490 in words is "three billion, five hundred fifty-one million, seven hundred seventy-four thousand, four hundred ninety".