40040441154 has 96 divisors (see below), whose sum is σ = 106136948736. Its totient is φ = 11071060560.

The previous prime is 40040441117. The next prime is 40040441159. The reversal of 40040441154 is 45114404004.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (40040441159) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 84372 + ... + 295295.

It is an arithmetic number, because the mean of its divisors is an integer number (1105593216).

Almost surely, 2^40040441154 is an apocalyptic number.

40040441154 is an abundant number, since it is smaller than the sum of its proper divisors (66096507582).

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

40040441154 is a wasteful number, since it uses less digits than its factorization.

40040441154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379722 (or 379710 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

Adding to 40040441154 its reverse (45114404004), we get a palindrome (85154845158).

The spelling of 40040441154 in words is "forty billion, forty million, four hundred forty-one thousand, one hundred fifty-four".