40370551 has 6 divisors (see below), whose sum is σ = 43715040. Its totient is φ = 37264968.

The previous prime is 40370549. The next prime is 40370557. The reversal of 40370551 is 15507304.

It is not a de Polignac number, because 40370551 - 2¹ = 40370549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40370557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 119271 + ... + 119608.

It is an arithmetic number, because the mean of its divisors is an integer number (7285840).

Almost surely, 2^40370551 is an apocalyptic number.

40370551 is a deficient number, since it is larger than the sum of its proper divisors (3344489).

40370551 is a wasteful number, since it uses less digits than its factorization.

40370551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238905 (or 238892 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 40370551 is about 6353.7824167971. The cubic root of 40370551 is about 343.0480004902.

Adding to 40370551 its reverse (15507304), we get a palindrome (55877855).

The spelling of 40370551 in words is "forty million, three hundred seventy thousand, five hundred fifty-one".