40414545 has 96 divisors (see below), whose sum is σ = 79672320. Its totient is φ = 19595520.

The previous prime is 40414537. The next prime is 40414547. The reversal of 40414545 is 54541404.

40414545 is a nontrivial binomial coefficient, being equal to C(8991, 2).

It is not a de Polignac number, because 40414545 - 2³ = 40414537 is a prime.

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 (40414547) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1092267 + ... + 1092303.

It is an arithmetic number, because the mean of its divisors is an integer number (829920).

Almost surely, 2^40414545 is an apocalyptic number.

40414545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40414545 is the 8990-th triangular number.

It is an amenable number.

40414545 is a deficient number, since it is larger than the sum of its proper divisors (39257775).

40414545 is a wasteful number, since it uses less digits than its factorization.

40414545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 40414545 is about 6357.2435064264. The cubic root of 40414545 is about 343.1725679820.

Adding to 40414545 its reverse (54541404), we get a palindrome (94955949).

The spelling of 40414545 in words is "forty million, four hundred fourteen thousand, five hundred forty-five".