40357044 has 144 divisors (see below), whose sum is σ = 127848448. Its totient is φ = 10450944.

The previous prime is 40357043. The next prime is 40357061. The reversal of 40357044 is 44075304.

It is a junction number, because it is equal to n+sod(n) for n = 40356999 and 40357017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40357043) 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, 317709 + ... + 317835.

Almost surely, 2^40357044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40357044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63924224).

40357044 is an abundant number, since it is smaller than the sum of its proper divisors (87491404).

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

40357044 is a wasteful number, since it uses less digits than its factorization.

40357044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 40357044 is about 6352.7194176982. The cubic root of 40357044 is about 343.0097377295.

The spelling of 40357044 in words is "forty million, three hundred fifty-seven thousand, forty-four".