365720940 has 192 divisors, whose sum is σ = 1247500800. Its totient is φ = 88397568.

The previous prime is 365720933. The next prime is 365720951. The reversal of 365720940 is 49027563.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 365720895 and 365720904.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 413739 + ... + 414621.

It is an arithmetic number, because the mean of its divisors is an integer number (6497400).

Almost surely, 2^365720940 is an apocalyptic number.

365720940 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 365720940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (623750400).

365720940 is an abundant number, since it is smaller than the sum of its proper divisors (881779860).

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

365720940 is a wasteful number, since it uses less digits than its factorization.

365720940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973 (or 965 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 365720940 is about 19123.8317290233. The cubic root of 365720940 is about 715.1271653454.

The spelling of 365720940 in words is "three hundred sixty-five million, seven hundred twenty thousand, nine hundred forty".