61848240 has 80 divisors (see below), whose sum is σ = 195844608. Its totient is φ = 16139008.

The previous prime is 61848229. The next prime is 61848251. The reversal of 61848240 is 4284816.

It is an interprime number because it is at equal distance from previous prime (61848229) and next prime (61848251).

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

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, 8539 + ... + 14021.

Almost surely, 2^61848240 is an apocalyptic number.

61848240 is a gapful number since it is divisible by the number (60) 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 61848240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97922304).

61848240 is an abundant number, since it is smaller than the sum of its proper divisors (133996368).

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

61848240 is a wasteful number, since it uses less digits than its factorization.

61848240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5546 (or 5540 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 61848240 is about 7864.3652000654. The cubic root of 61848240 is about 395.4659672172.

The spelling of 61848240 in words is "sixty-one million, eight hundred forty-eight thousand, two hundred forty".