45401523423440 has 320 divisors, whose sum is σ = 115207026278400. Its totient is φ = 16593308160000.

The previous prime is 45401523423433. The next prime is 45401523423511. The reversal of 45401523423440 is 4432432510454.

It is a super-2 number, since 2×45401523423440² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

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, 1117170641 + ... + 1117211279.

It is an arithmetic number, because the mean of its divisors is an integer number (360021957120).

Almost surely, 2^{45401523423440} is an apocalyptic number.

45401523423440 is a gapful number since it is divisible by the number (40) 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 45401523423440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57603513139200).

45401523423440 is an abundant number, since it is smaller than the sum of its proper divisors (69805502854960).

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

45401523423440 is a wasteful number, since it uses less digits than its factorization.

45401523423440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41026 (or 41020 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 41.

Adding to 45401523423440 its reverse (4432432510454), we get a palindrome (49833955933894).

The spelling of 45401523423440 in words is "forty-five trillion, four hundred one billion, five hundred twenty-three million, four hundred twenty-three thousand, four hundred forty".