15200444240 has 40 divisors (see below), whose sum is σ = 36877603968. Its totient is φ = 5815821440.

The previous prime is 15200444197. The next prime is 15200444249. The reversal of 15200444240 is 4244400251.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15200444249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4128716 + ... + 4132395.

Almost surely, 2^15200444240 is an apocalyptic number.

15200444240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15200444240 is an abundant number, since it is smaller than the sum of its proper divisors (21677159728).

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

15200444240 is a wasteful number, since it uses less digits than its factorization.

15200444240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8261147 (or 8261141 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

Adding to 15200444240 its reverse (4244400251), we get a palindrome (19444844491).

The spelling of 15200444240 in words is "fifteen billion, two hundred million, four hundred forty-four thousand, two hundred forty".