3445723837940 has 48 divisors (see below), whose sum is σ = 7256415149760. Its totient is φ = 1374407274240.

The previous prime is 3445723837937. The next prime is 3445723837943. The reversal of 3445723837940 is 497383275443.

It is an interprime number because it is at equal distance from previous prime (3445723837937) and next prime (3445723837943).

It is a super-3 number, since 3×3445723837940³ (a number of 39 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3445723837940.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3445723837943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22262459 + ... + 22416701.

It is an arithmetic number, because the mean of its divisors is an integer number (151175315620).

Almost surely, 2^{3445723837940} is an apocalyptic number.

It is an amenable number.

3445723837940 is an abundant number, since it is smaller than the sum of its proper divisors (3810691311820).

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

3445723837940 is a wasteful number, since it uses less digits than its factorization.

3445723837940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157392 (or 157390 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 59.

The spelling of 3445723837940 in words is "three trillion, four hundred forty-five billion, seven hundred twenty-three million, eight hundred thirty-seven thousand, nine hundred forty".