40553442120 has 64 divisors (see below), whose sum is σ = 122051629440. Its totient is φ = 10779468800.

The previous prime is 40553442119. The next prime is 40553442121. The reversal of 40553442120 is 2124435504.

It is an interprime number because it is at equal distance from previous prime (40553442119) and next prime (40553442121).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (40553442121) 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, 506001 + ... + 580640.

It is an arithmetic number, because the mean of its divisors is an integer number (1907056710).

Almost surely, 2^40553442120 is an apocalyptic number.

40553442120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40553442120 is an abundant number, since it is smaller than the sum of its proper divisors (81498187320).

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

40553442120 is a wasteful number, since it uses less digits than its factorization.

40553442120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086966 (or 1086962 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 40553442120 its reverse (2124435504), we get a palindrome (42677877624).

The spelling of 40553442120 in words is "forty billion, five hundred fifty-three million, four hundred forty-two thousand, one hundred twenty".