40453950 has 72 divisors (see below), whose sum is σ = 103633992. Its totient is φ = 10442880.

The previous prime is 40453949. The next prime is 40453961. The reversal of 40453950 is 5935404.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 205252 + ... + 205448.

It is an arithmetic number, because the mean of its divisors is an integer number (1439361).

Almost surely, 2^40453950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40453950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51816996).

40453950 is an abundant number, since it is smaller than the sum of its proper divisors (63180042).

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

40453950 is a wasteful number, since it uses less digits than its factorization.

40453950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 40453950 is about 6360.3419719383. The cubic root of 40453950 is about 343.2840651542.

The spelling of 40453950 in words is "forty million, four hundred fifty-three thousand, nine hundred fifty".