201950440 has 32 divisors (see below), whose sum is σ = 466672680. Its totient is φ = 78596352.

The previous prime is 201950423. The next prime is 201950471. The reversal of 201950440 is 44059102.

It can be written as a sum of positive squares in 4 ways, for example, as 201583204 + 367236 = 14198^2 + 606^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66747 + ... + 69706.

Almost surely, 2^201950440 is an apocalyptic number.

201950440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201950440 is an abundant number, since it is smaller than the sum of its proper divisors (264722240).

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

201950440 is a wasteful number, since it uses less digits than its factorization.

201950440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136501 (or 136497 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 201950440 is about 14210.9267818816. The cubic root of 201950440 is about 586.6984415182.

The spelling of 201950440 in words is "two hundred one million, nine hundred fifty thousand, four hundred forty".