40451626 has 4 divisors (see below), whose sum is σ = 60677442. Its totient is φ = 20225812.

The previous prime is 40451617. The next prime is 40451633. The reversal of 40451626 is 62615404.

40451626 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 36590401 + 3861225 = 6049^2 + 1965^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40451594 and 40451603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10112905 + ... + 10112908.

Almost surely, 2^40451626 is an apocalyptic number.

40451626 is a deficient number, since it is larger than the sum of its proper divisors (20225816).

40451626 is a wasteful number, since it uses less digits than its factorization.

40451626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20225815.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 40451626 is about 6360.1592747352. The cubic root of 40451626 is about 343.2774913631.

It can be divided in two parts, 4045 and 1626, that added together give a triangular number (5671 = T₁₀₆).

The spelling of 40451626 in words is "forty million, four hundred fifty-one thousand, six hundred twenty-six".