40401602 has 4 divisors (see below), whose sum is σ = 60602406. Its totient is φ = 20200800.

The previous prime is 40401583. The next prime is 40401617. The reversal of 40401602 is 20610404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 39677401 + 724201 = 6299^2 + 851^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100399 + ... + 10100402.

Almost surely, 2^40401602 is an apocalyptic number.

40401602 is a deficient number, since it is larger than the sum of its proper divisors (20200804).

40401602 is a wasteful number, since it uses less digits than its factorization.

40401602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20200803.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 40401602 is about 6356.2254522633. The cubic root of 40401602 is about 343.1359297140.

The spelling of 40401602 in words is "forty million, four hundred one thousand, six hundred two".