40510225145440 has 384 divisors, whose sum is σ = 107755294187520. Its totient is φ = 14316503040000.

The previous prime is 40510225145419. The next prime is 40510225145567. The reversal of 40510225145440 is 4454152201504.

It is a self number, because there is not a number n which added to its sum of digits gives 40510225145440.

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, 947564065 + ... + 947606815.

It is an arithmetic number, because the mean of its divisors is an integer number (280612745280).

Almost surely, 2^{40510225145440} is an apocalyptic number.

40510225145440 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 40510225145440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53877647093760).

40510225145440 is an abundant number, since it is smaller than the sum of its proper divisors (67245069042080).

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

40510225145440 is a wasteful number, since it uses less digits than its factorization.

40510225145440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43146 (or 43138 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 37.

Adding to 40510225145440 its reverse (4454152201504), we get a palindrome (44964377346944).

The spelling of 40510225145440 in words is "forty trillion, five hundred ten billion, two hundred twenty-five million, one hundred forty-five thousand, four hundred forty".