40407352 has 8 divisors (see below), whose sum is σ = 75763800. Its totient is φ = 20203672.

The previous prime is 40407349. The next prime is 40407371. The reversal of 40407352 is 25370404.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2525452 + ... + 2525467.

It is an arithmetic number, because the mean of its divisors is an integer number (9470475).

Almost surely, 2^40407352 is an apocalyptic number.

It is an amenable number.

40407352 is a deficient number, since it is larger than the sum of its proper divisors (35356448).

40407352 is a wasteful number, since it uses less digits than its factorization.

40407352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5050925 (or 5050921 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 40407352 is about 6356.6777486357. The cubic root of 40407352 is about 343.1522074349.

Adding to 40407352 its reverse (25370404), we get a palindrome (65777756).

The spelling of 40407352 in words is "forty million, four hundred seven thousand, three hundred fifty-two".