40145542000 has 40 divisors (see below), whose sum is σ = 97071925392. Its totient is φ = 16058216000.

The previous prime is 40145541991. The next prime is 40145542033. The reversal of 40145542000 is 24554104.

It is a happy number.

40145542000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×40145542000² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10034386 + ... + 10038385.

Almost surely, 2^40145542000 is an apocalyptic number.

40145542000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40145542000 is an abundant number, since it is smaller than the sum of its proper divisors (56926383392).

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

40145542000 is a wasteful number, since it uses less digits than its factorization.

40145542000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20072794 (or 20072778 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The spelling of 40145542000 in words is "forty billion, one hundred forty-five million, five hundred forty-two thousand".