36247440 has 80 divisors (see below), whose sum is σ = 118296000. Its totient is φ = 9156096.

The previous prime is 36247433. The next prime is 36247487. The reversal of 36247440 is 4474263.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 36247398 and 36247407.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 586 + ... + 8534.

It is an arithmetic number, because the mean of its divisors is an integer number (1478700).

Almost surely, 2^36247440 is an apocalyptic number.

36247440 is a gapful number since it is divisible by the number (30) 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 36247440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59148000).

36247440 is an abundant number, since it is smaller than the sum of its proper divisors (82048560).

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

36247440 is a wasteful number, since it uses less digits than its factorization.

36247440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7984 (or 7978 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 36247440 is about 6020.5846892142. The cubic root of 36247440 is about 330.9475064541.

The spelling of 36247440 in words is "thirty-six million, two hundred forty-seven thousand, four hundred forty".