1490852454 has 64 divisors (see below), whose sum is σ = 3675657216. Its totient is φ = 392563584.

The previous prime is 1490852453. The next prime is 1490852459. The reversal of 1490852454 is 4542580941.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490852453) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 411519 + ... + 415125.

It is an arithmetic number, because the mean of its divisors is an integer number (57432144).

Almost surely, 2^1490852454 is an apocalyptic number.

1490852454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1490852454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1837828608).

1490852454 is an abundant number, since it is smaller than the sum of its proper divisors (2184804762).

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

1490852454 is a wasteful number, since it uses less digits than its factorization.

1490852454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4389.

The product of its (nonzero) digits is 230400, while the sum is 42.

The square root of 1490852454 is about 38611.5585544018. The cubic root of 1490852454 is about 1142.3825348671.

The spelling of 1490852454 in words is "one billion, four hundred ninety million, eight hundred fifty-two thousand, four hundred fifty-four".