40377402 has 24 divisors (see below), whose sum is σ = 94214484. Its totient is φ = 12423744.

The previous prime is 40377401. The next prime is 40377409. The reversal of 40377402 is 20477304.

It can be written as a sum of positive squares in 2 ways, for example, as 40182921 + 194481 = 6339^2 + 441^2 .

It is not an unprimeable number, because it can be changed into a prime (40377401) 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 11 ways as a sum of consecutive naturals, for example, 86043 + ... + 86510.

Almost surely, 2^40377402 is an apocalyptic number.

40377402 is an abundant number, since it is smaller than the sum of its proper divisors (53837082).

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

40377402 is a wasteful number, since it uses less digits than its factorization.

40377402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172574 (or 172571 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 40377402 is about 6354.3215216103. The cubic root of 40377402 is about 343.0674048073.

The spelling of 40377402 in words is "forty million, three hundred seventy-seven thousand, four hundred two".