3400402544 has 80 divisors (see below), whose sum is σ = 8348798976. Its totient is φ = 1303084800.

The previous prime is 3400402529. The next prime is 3400402549. The reversal of 3400402544 is 4452040043.

It is a super-2 number, since 2×3400402544² = 23125474922483343872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3400402549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52529 + ... + 97775.

Almost surely, 2^3400402544 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 3400402544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4174399488).

3400402544 is an abundant number, since it is smaller than the sum of its proper divisors (4948396432).

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

3400402544 is a wasteful number, since it uses less digits than its factorization.

3400402544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45334 (or 45328 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 3400402544 is about 58312.9706326131. The cubic root of 3400402544 is about 1503.7539373178.

Adding to 3400402544 its reverse (4452040043), we get a palindrome (7852442587).

The spelling of 3400402544 in words is "three billion, four hundred million, four hundred two thousand, five hundred forty-four".