40426552 has 16 divisors (see below), whose sum is σ = 76195440. Its totient is φ = 20107776.

The previous prime is 40426537. The next prime is 40426553. The reversal of 40426552 is 25562404.

It is a super-2 number, since 2×40426552² = 3268612213217408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40426552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40426553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11548 + ... + 14635.

It is an arithmetic number, because the mean of its divisors is an integer number (4762215).

Almost surely, 2^40426552 is an apocalyptic number.

It is an amenable number.

40426552 is a deficient number, since it is larger than the sum of its proper divisors (35768888).

40426552 is a wasteful number, since it uses less digits than its factorization.

40426552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26382 (or 26378 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 40426552 is about 6358.1877921307. The cubic root of 40426552 is about 343.2065496837.

Adding to 40426552 its reverse (25562404), we get a palindrome (65988956).

The spelling of 40426552 in words is "forty million, four hundred twenty-six thousand, five hundred fifty-two".