54106142640 has 160 divisors (see below), whose sum is σ = 188879910912. Its totient is φ = 12693504000.

The previous prime is 54106142639. The next prime is 54106142647. The reversal of 54106142640 is 4624160145.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (54106142647) 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 31 ways as a sum of consecutive naturals, for example, 248721 + ... + 412400.

Almost surely, 2^54106142640 is an apocalyptic number.

It is an amenable number.

54106142640 is an abundant number, since it is smaller than the sum of its proper divisors (134773768272).

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

54106142640 is a wasteful number, since it uses less digits than its factorization.

54106142640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661179 (or 661173 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 54106142640 in words is "fifty-four billion, one hundred six million, one hundred forty-two thousand, six hundred forty".