101490240 has 112 divisors (see below), whose sum is σ = 326989440. Its totient is φ = 26664960.

The previous prime is 101490239. The next prime is 101490241. The reversal of 101490240 is 42094101.

101490240 = T₂₁₂ + T₂₁₃ + ... + T₈₅₁.

It is an interprime number because it is at equal distance from previous prime (101490239) and next prime (101490241).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101490241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67416 + ... + 68904.

Almost surely, 2^101490240 is an apocalyptic number.

101490240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101490240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163494720).

101490240 is an abundant number, since it is smaller than the sum of its proper divisors (225499200).

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

101490240 is a wasteful number, since it uses less digits than its factorization.

101490240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580 (or 1570 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 101490240 is about 10074.2364474932. The cubic root of 101490240 is about 466.4532175780.

The spelling of 101490240 in words is "one hundred one million, four hundred ninety thousand, two hundred forty".