918141040 has 40 divisors (see below), whose sum is σ = 2141188848. Its totient is φ = 366136320.

The previous prime is 918141023. The next prime is 918141053. The reversal of 918141040 is 40141819.

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

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, 9144 + ... + 43816.

Almost surely, 2^918141040 is an apocalyptic number.

It is an amenable number.

918141040 is an abundant number, since it is smaller than the sum of its proper divisors (1223047808).

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

918141040 is a wasteful number, since it uses less digits than its factorization.

918141040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35017 (or 35011 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 918141040 is about 30300.8422325189. The cubic root of 918141040 is about 971.9333106938.

Adding to 918141040 its reverse (40141819), we get a palindrome (958282859).

The spelling of 918141040 in words is "nine hundred eighteen million, one hundred forty-one thousand, forty".