361740780 has 216 divisors, whose sum is σ = 1195674480. Its totient is φ = 88408320.

The previous prime is 361740779. The next prime is 361740793. The reversal of 361740780 is 87047163.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2761315 + ... + 2761445.

It is an arithmetic number, because the mean of its divisors is an integer number (5535530).

Almost surely, 2^361740780 is an apocalyptic number.

361740780 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 361740780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (597837240).

361740780 is an abundant number, since it is smaller than the sum of its proper divisors (833933700).

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

361740780 is a wasteful number, since it uses less digits than its factorization.

361740780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 361740780 is about 19019.4842201359. The cubic root of 361740780 is about 712.5234415187.

The spelling of 361740780 in words is "three hundred sixty-one million, seven hundred forty thousand, seven hundred eighty".