3540494190 has 128 divisors (see below), whose sum is σ = 9247260672. Its totient is φ = 864927360.

The previous prime is 3540494183. The next prime is 3540494207. The reversal of 3540494190 is 914940453.

It is a super-2 number, since 2×3540494190² = 25070198218847512200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2202367 + ... + 2203973.

It is an arithmetic number, because the mean of its divisors is an integer number (72244224).

Almost surely, 2^3540494190 is an apocalyptic number.

3540494190 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 3540494190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4623630336).

3540494190 is an abundant number, since it is smaller than the sum of its proper divisors (5706766482).

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

3540494190 is a wasteful number, since it uses less digits than its factorization.

3540494190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 3540494190 is about 59502.0519814233. The cubic root of 3540494190 is about 1524.1274865623.

The spelling of 3540494190 in words is "three billion, five hundred forty million, four hundred ninety-four thousand, one hundred ninety".