1406552490 has 192 divisors, whose sum is σ = 4358914560. Its totient is φ = 307883520.

The previous prime is 1406552449. The next prime is 1406552527. The reversal of 1406552490 is 942556041.

1406552490 is a `hidden beast` number, since 1 + 40 + 6 + 5 + 524 + 90 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3050860 + ... + 3051320.

It is an arithmetic number, because the mean of its divisors is an integer number (22702680).

Almost surely, 2^1406552490 is an apocalyptic number.

1406552490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1406552490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2179457280).

1406552490 is an abundant number, since it is smaller than the sum of its proper divisors (2952362070).

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

1406552490 is a wasteful number, since it uses less digits than its factorization.

1406552490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677 (or 674 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 1406552490 is about 37504.0329831340. The cubic root of 1406552490 is about 1120.4315115540.

The spelling of 1406552490 in words is "one billion, four hundred six million, five hundred fifty-two thousand, four hundred ninety".