340290377644 has 96 divisors (see below), whose sum is σ = 729389445120. Its totient is φ = 135678100032.

The previous prime is 340290377611. The next prime is 340290377657. The reversal of 340290377644 is 446773092043.

It is a super-2 number, since 2×340290377644² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7350979 + ... + 7397125.

It is an arithmetic number, because the mean of its divisors is an integer number (7597806720).

Almost surely, 2^340290377644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340290377644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364694722560).

340290377644 is an abundant number, since it is smaller than the sum of its proper divisors (389099067476).

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

340290377644 is a wasteful number, since it uses less digits than its factorization.

340290377644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46427 (or 46425 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 49.

The spelling of 340290377644 in words is "three hundred forty billion, two hundred ninety million, three hundred seventy-seven thousand, six hundred forty-four".