453761490 has 128 divisors (see below), whose sum is σ = 1347010560. Its totient is φ = 95263488.

The previous prime is 453761489. The next prime is 453761491. The reversal of 453761490 is 94167354.

It is an interprime number because it is at equal distance from previous prime (453761489) and next prime (453761491).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (453761491) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 947071 + ... + 947549.

It is an arithmetic number, because the mean of its divisors is an integer number (10523520).

Almost surely, 2^453761490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 453761490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (673505280).

453761490 is an abundant number, since it is smaller than the sum of its proper divisors (893249070).

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

453761490 is a wasteful number, since it uses less digits than its factorization.

453761490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 453761490 is about 21301.6781029101. The cubic root of 453761490 is about 768.4386701532.

The spelling of 453761490 in words is "four hundred fifty-three million, seven hundred sixty-one thousand, four hundred ninety".